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Loans, Past Due And Accruing Restructured (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2013 | Mar. 31, 2012 | Dec. 31, 2012
Financing receivables, non accruals, past due, and accruing restructured loans [Line Items] |  |  |
Total non-accrual loans | $ 3,173,000 |  | $ 2,283,000
Past-due 90 days or more and still accruing | 180,000 |  | 128,000
Total non-accrual and past-due 90 days or more and still accruing | 3,353,000 |  | 2,411,000
Accruing restructured Loans | 13,693,000 |  | 13,343,000
Total | 17,046,000 |  | 15,754,000
Percentage of total non-accrual and past-due 90 days or more and still accruing to total loans (in hundredths) | 0.61% |  | 0.53%
Percentage of total non-accrual, past-due 90 days or more and still accruing, and accruing restructured loans to total loans (in hundredths) | 3.10% |  | 3.47%
Loans sold to Federal Home Loan Mortgage Corporation Loans serviced for other investors unpaid balance | 87,710,000 |  | 71,568,000
Total loans sold to Federal Home Loan Mortgage Corporation | 7,175,000 | 5,866,000 |
Commercial and Industrial [Member] |  |  |
Financing receivables, non accruals, past due, and accruing restructured loans [Line Items] |  |  |
Total non-accrual loans | 181,000 |  | 264,000
Commercial Secured By Real Estate [Member] |  |  |
Financing receivables, non accruals, past due, and accruing restructured loans [Line Items] |  |  |
Total non-accrual loans | 1,414,000 |  | 788,000
Residential Real Estate [Member] |  |  |
Financing receivables, non accruals, past due, and accruing restructured loans [Line Items] |  |  |
Total non-accrual loans | $ 1,578,000 |  | $ 1,231,000

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- Definition The unpaid principal balance of all loans sold to (FHLMC) Federal Home Loan Mortgage Corporation plus loans serviced for other investors as of the balance sheet date. + References No definition available. + Details
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